To provide a semiconductor display device capable of displaying an image having clarity and a desired color, even when the speed of deterioration of an EL layer is influenced by its environment. Display pixels and sensor pixels of an EL display each have and EL element, and the sensor pixels each have...http://www.google.com/patents/US6424326?utm_source=gb-gplus-sharePatent US6424326 - Semiconductor display device having a display portion and a sensor portion
